.app_top_navigate,.app_top_navigate div{
  background-color: #fff;
}
.app_top_navigate{
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 20px;
}
.app_top_navigate_title{
  display: flex;
  flex: 0.9;
}
.app_logo{
  width: 120px;
  height: 80px;
  /* border: 3px dashed #ccc; */
  margin-right: 100px;
  background: url(../assets/img/logo.png) no-repeat;
}
div>span{
  margin:20px;
  padding:5px 10px;
  color: rgb(7, 17, 78);
  outline:none;/* 去除元素点击后的边框*/
}
.active_font{
  color: #ff7f21 !important;
}

